STOCKHOLDERS' EQUITY (Details) - USD ($) $ in Thousands	Apr. 30, 2016	Oct. 31, 2015
Preferred Stock, Shares Authorized	10,000,000	10,000,000
Preferred Stock, Shares Issued and Outstanding	8,413,630	9,025,265
Preferred Stock, Value, Issued	$ 10,407	$ 10,694
Preferred Stock, Liquidation Preference, Value	$ 5,561	$ 5,968
Common Shares Issuable Upon Conversion	17,737,178
Series A Preferred Stock [Member]
Preferred Stock, Shares Authorized	8,830,000
Preferred Stock, Shares Issued and Outstanding	8,177,334
Preferred Stock, Value, Issued	$ 1,999
Preferred Stock, Liquidation Preference, Value	$ 5,561
Common Shares Issuable Upon Conversion	8,177,334
Series B Preferred Stock [Member]
Preferred Stock, Shares Authorized	54,250
Preferred Stock, Shares Issued and Outstanding	54,201
Preferred Stock, Value, Issued	$ 4,569
Preferred Stock, Liquidation Preference, Value	$ 0
Common Shares Issuable Upon Conversion	5,420,171
Series C Preferred Stock [Member]
Preferred Stock, Shares Authorized	26,000
Preferred Stock, Shares Issued and Outstanding	25,763
Preferred Stock, Value, Issued	$ 2,010
Preferred Stock, Liquidation Preference, Value	$ 0
Common Shares Issuable Upon Conversion	2,576,353
Series D Preferred Stock [Member]
Preferred Stock, Shares Authorized	170,000
Preferred Stock, Shares Issued and Outstanding	156,332
Preferred Stock, Value, Issued	$ 1,829
Preferred Stock, Liquidation Preference, Value	$ 0
Common Shares Issuable Upon Conversion	1,563,320
Other authorized, unissued [Member]
Preferred Stock, Shares Authorized	919,750
Preferred Stock, Shares Issued and Outstanding	0
Preferred Stock, Value, Issued	$ 0
Preferred Stock, Liquidation Preference, Value	$ 0
Common Shares Issuable Upon Conversion	0